Reverse designs of new decimal coinage and the obverse design common to all, a likeness of Queen Elizabeth II .
An assistant helps an elderly customer pay for her purchases using the new decimal coinage in a London supermarket on the first day of national...英國, 白天, 超級市場
Little boy examines a display at Harrods showing the new decimal coinage which was introduced on 15th February 1971.英國, 貨幣
Chancellor of the Exchequer James Callaghan MP shopping with his wife using the new decimal coinage. 17th May 1967.
British computing pioneer Charles Babbage's Difference Engine No 1 was the first successful automatic calculator and remains one of the finest...
sign warning of a low clearance height of 4.2 metres under the parkes way bridge over wendouree drive in canberra, australian capital territory, australia - 小數點 個照片及圖片檔立體交叉橋, 高架道路
British politician Lord Fiske at Harrods with Sally Annandale and Viviane Dench, as part of his campaign to prepare people for 'Decimal Day', the...
February 1971 - Decimalisation Day - putting new coinage to good use - Julie Ege Model displays the new decimal coins due to come into circulation -...
Chancellor of the Exchequer James Callaghan MP shopping with his wife using the new decimal coinage. 17th May 1967.
The bookmakers display new decimal betting before the Aldermore Conditions Stakes on April 28, 2010 in Ascot, England.
The bookmakers display new decimal betting before the Aldermore Conditions Stakes on April 28, 2010 in Ascot, England.
The bookmakers display new decimal betting before the Aldermore Conditions Stakes on April 28, 2010 in Ascot, England.
The bookmakers display new decimal betting before the Aldermore Conditions Stakes on April 28, 2010 in Ascot, England.
Le chancelier de l'Échiquier James Callaghan et son épouse Audrey payant avec de la monnaie décimale, spécialement frappée pour la circonstance et...
Mar 14, 2007 Slug: me-pi assignment no: 189041 Photographer: Gerald Martineau Keen Hill elementary School celebration of the math term "pi" 5th grade...
Barbara Leeman, cashier at a J Walter Thompson supermarket, where decimal coins were used for the first time, UK, 2nd May 1967.英國, 超級市場
British politician Bill Fiske, Baron Fiske , Chairman of the Decimal Currency Board, UK, 17th April 1968.
Various ready reckoners were devised to help people convert to the new decimal currency in Britain in 1971.
Teaching aid consisting of trays of beads illustrating the decimal quantities 10, 100 and 1000. Made by the Montessori Centre International Limited,...
Engraving from �Mathematischer Atlas� by Tobias Mayer published in Augsburg in 1745. Each plate has descriptive text on either side; some have...
Teaching aid consisting of trays of beads illustrating the decimal quantities 10, 100 and 1000. Made by the Montessori Centre International Limited,...數學
John Napier , a member of the landed gentry, was born at Merchiston Castle in Edinburgh, Scotland. He studied at St Andrews University and travelled...
One of the �Point Range� machines which was converted to decimal operation on the user�s premises. Decimal currency was introduced in Britain in 1971.
One of the �Point Range� machines which can be converted to decimal operation on the user�s premises. Decimal currency was introduced in Britain in...
This trial portion of the Difference Engine, seen here on display in the Science Museum is one of the earliest automatic calculators and is a...
This trial portion of the Difference Engine, seen here on display in the Science Museum is one of the earliest automatic calculators and is a...
This Oertling pan balance can give the weight in grammes down to the third decimal place. A graticule attached to the balance arm is magnified by an...
This engine was constructed by the Science Museum in London from designs made by British computing pioneer Charles Babbage between 1847 and 1849. The...
This engine was constructed by the Science Museum in London from designs made by British computing pioneer Charles Babbage between 1847 and 1849. The...
This engine was constructed by the Science Museum in London from designs made by British computing pioneer Charles Babbage between 1847 and 1849. The...
This engine was constructed by the Science Museum in London from designs made by British computing pioneer Charles Babbage between 1847 and 1849. The...引擎
This engine was constructed by the Science Museum in London from designs made by British computing pioneer Charles Babbage between 1847 and 1849. The...引擎
Babbage's Difference Engine No 2 was constructed by the Science Museum in London from drawings made by the British computing pioneer Charles Babbage...
Babbage's Difference Engine No 2 was constructed by the Science Museum in London from drawings made by the British computing pioneer Charles Babbage...
British computing pioneer Charles Babbage's Difference Engine No 1 was the first successful automatic calculator and remains one of the finest...
Horizontal racks for the printing mechanism of Babbage's Difference Engine No 2. The engine was constructed by the Science Museum in London from...
Horizontal racks for the printing mechanism of Babbage's Difference Engine No 2. The engine was constructed by the Science Museum in London from...
Horizontal racks for the printing mechanism of Babbage's Difference Engine No 2. The engine was constructed by the Science Museum in London from...
Horizontal racks for the printing mechanism of Babbage's Difference Engine No 2. The engine was constructed by the Science Museum in London from...